MERCEDES-BENZ C CLASS SALOON (2021-) C300 4DR SALOON 2.0 MHEV 278 GPF SS EU6 AMG LINE PREMIUM PLUS 9G-T+ AUTO

Buyer's Guide & Data from our Checks
The MERCEDES-BENZ C CLASS SALOON (2021-) C300 4DR SALOON 2.0 MHEV 278 GPF SS EU6 AMG LINE PREMIUM PLUS 9G-T+ AUTO is a premium, four-door executive saloon, sitting among the UK’s more desirable alternatives to mainstream family cars. Its smart styling and AMG Line treatment give it a sportier presence, while the saloon body suits drivers who prefer a traditional boot to a hatchback or SUV.
Across 350 mycarcheck.com checks and 185 distinct VINs, average private-sale value was £36,900. Average recorded mileage was 18,000, with 7,000 miles travelled annually; previous keepers averaged 0.65. These are snapshots, not guarantees.
Well suited to commuting, business travel and households, the C300 offers a comfortable, polished cabin and responsive performance, with mild-hybrid assistance designed to support efficiency on longer motorway journeys. Against BMW 3 Series and Audi A4 rivals, it feels premium and composed, appealing to drivers seeking everyday practicality and an upmarket experience.
A used Mercedes C-Class can hide outstanding finance, write-off damage, mileage discrepancies or a theft history. Enter the reg now and check before you buy—missing a problem could cost you.
Key Findings
The following statistics are drawn from our checks of 185 different vehicles, run between May 23rd 2022 and September 30th 2026. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.
350
Lookups
Lookups
6
Hidden Histories
Hidden Histories
27k
Average Mileage
Average Mileage
£36,900
Average Valuation
Average Valuation












